Metal Muscle Head Eye Gill Bone Overall mean
Cr BDL BDL 0.48c 1.19a 0.35b 0.4
Cd 0.33b BDL 0.39b 1.07b 0.33a 0.42
Pb 0.09c BDL 0.03d 0.18a 0.11b 0.08
Cu BDL BDL BDL 1.86a 0.56a 0.48
Zn 0.25c 0.37b 0.43b 0.01d 0.35a 0.28
Ni BDL BDL 0.01b 0.01b BDL <0.01
Data are mean of replicate (2) determinations. BDL: Below instrument detection limit. Letters a, b, c and d show differences among the different tissues. Data shown with different letters are statistically different at P<0.05 level.
Table 4a: Level of heavy metal in Trichiurus lepturus organs (mg/kg).